



"""simple docstring"""






def 			snake_case_    ( A_   :						List[str]		):


       '''simple docstring'''





       _lowerCamelCase		:							Tuple            =					0
       _lowerCamelCase		:							Union[str, Any]            =					len(A_		)

       for i in range(n - 1		):
              for j in range(i + 1,							A_		):
                     if arr[i] > arr[j]:
                            num_inversions += 1

       return num_inversions






def 			snake_case_    ( A_   :						List[str]		):


       '''simple docstring'''





       if len(A_		) <= 1:
              return arr, 0
       _lowerCamelCase		:							int            =					len(A_		) // 2
       _lowerCamelCase		:							int            =					arr[0:mid]
       _lowerCamelCase		:							int            =					arr[mid:]

       _lowerCamelCase     ,       _lowerCamelCase		:							str            =					count_inversions_recursive(A_		)
       _lowerCamelCase     ,       _lowerCamelCase		:							int            =					count_inversions_recursive(A_		)
       _lowerCamelCase     ,       _lowerCamelCase		:							Optional[Any]            =					_count_cross_inversions(A_,							A_		)

       _lowerCamelCase		:							Optional[Any]            =					inversion_p + inversions_q + cross_inversions
       return c, num_inversions






def 			snake_case_    ( A_   :						int,							A_   :						Dict		):


       '''simple docstring'''





       _lowerCamelCase		:							Tuple            =					[]
       _lowerCamelCase		:							List[str]            =					0
       while i < len(A_		) and j < len(A_		):
              if p[i] > q[j]:
                     # if P[1] > Q[j], then P[k] > Q[k] for all  i < k <= len(P)
                     # These are all inversions. The claim emerges from the
                     # property that P is sorted.
                     num_inversion += len(A_		) - i
                     r.append(q[j]		)
                     j += 1
              else:
                     r.append(p[i]		)
                     i += 1

       if i < len(A_		):
              r.extend(p[i:]		)
       else:
              r.extend(q[j:]		)

       return r, num_inversion






def 			snake_case_    ( ):


       '''simple docstring'''





       _lowerCamelCase		:							Tuple            =					[10, 2, 1, 5, 5, 2, 11]

       # this arr has 8 inversions:
       # (10, 2), (10, 1), (10, 5), (10, 5), (10, 2), (2, 1), (5, 2), (5, 2)

       _lowerCamelCase		:							List[str]            =					count_inversions_bf(A_		)
       _lowerCamelCase     ,       _lowerCamelCase		:							List[str]            =					count_inversions_recursive(A_		)

       assert num_inversions_bf == num_inversions_recursive == 8

       print('''number of inversions = ''',							A_		)

       # testing an array with zero inversion (a sorted arr_1)

       arr_a.sort()
       _lowerCamelCase		:							List[Any]            =					count_inversions_bf(A_		)
       _lowerCamelCase     ,       _lowerCamelCase		:							List[Any]            =					count_inversions_recursive(A_		)

       assert num_inversions_bf == num_inversions_recursive == 0
       print('''number of inversions = ''',							A_		)

       # an empty list should also have zero inversions
       _lowerCamelCase		:							str            =					[]
       _lowerCamelCase		:							Optional[int]            =					count_inversions_bf(A_		)
       _lowerCamelCase     ,       _lowerCamelCase		:							Any            =					count_inversions_recursive(A_		)

       assert num_inversions_bf == num_inversions_recursive == 0
       print('''number of inversions = ''',							A_		)


if __name__ == "__main__":
   main()




"""simple docstring"""






import os
import unittest

from huggingface_hub.utils import are_progress_bars_disabled

import transformers.models.bart.tokenization_bart
from transformers import logging
from transformers.testing_utils import CaptureLogger, mockenv, mockenv_context
from transformers.utils.logging import disable_progress_bar, enable_progress_bar



class 			lowercase					( unittest.TestCase		):






			def 					UpperCAmelCase							(self  :	Union[str, Any]			)       ->	Optional[Any]:





				"""simple docstring"""


				lowerCAmelCase												=  logging.get_logger()

				# the current default level is logging.WARNING
				lowerCAmelCase												=  logging.get_verbosity()

				logging.set_verbosity_error()
				self.assertEqual(logger.getEffectiveLevel()      ,logging.get_verbosity()			)

				logging.set_verbosity_warning()
				self.assertEqual(logger.getEffectiveLevel()      ,logging.get_verbosity()			)

				logging.set_verbosity_info()
				self.assertEqual(logger.getEffectiveLevel()      ,logging.get_verbosity()			)

				logging.set_verbosity_debug()
				self.assertEqual(logger.getEffectiveLevel()      ,logging.get_verbosity()			)

				# restore to the original level
				logging.set_verbosity(SCREAMING_SNAKE_CASE_			)






			def 					UpperCAmelCase							(self  :	Union[str, Any]			)       ->	Optional[int]:





				"""simple docstring"""


				lowerCAmelCase												=  logging.get_verbosity()

				lowerCAmelCase												=  logging.get_logger('''transformers.models.bart.tokenization_bart'''			)
				lowerCAmelCase												=  '''Testing 1, 2, 3'''

				# should be able to log warnings (if default settings weren't overridden by `pytest --log-level-all`)
				if level_origin <= logging.WARNING:
					with CaptureLogger(SCREAMING_SNAKE_CASE_			) as cl:
						logger.warning(SCREAMING_SNAKE_CASE_			)
					self.assertEqual(cl.out      ,msg + '''\n'''			)

				# this is setting the level for all of `transformers.*` loggers
				logging.set_verbosity_error()

				# should not be able to log warnings
				with CaptureLogger(SCREAMING_SNAKE_CASE_			) as cl:
					logger.warning(SCREAMING_SNAKE_CASE_			)
				self.assertEqual(cl.out      ,''''''			)

				# should be able to log warnings again
				logging.set_verbosity_warning()
				with CaptureLogger(SCREAMING_SNAKE_CASE_			) as cl:
					logger.warning(SCREAMING_SNAKE_CASE_			)
				self.assertEqual(cl.out      ,msg + '''\n'''			)

				# restore to the original level
				logging.set_verbosity(SCREAMING_SNAKE_CASE_			)






			@mockenv(TRANSFORMERS_VERBOSITY='''error'''			)
			def 					UpperCAmelCase							(self  :	Any			)       ->	str:





				"""simple docstring"""


				transformers.utils.logging._reset_library_root_logger()
				# this action activates the env var
				lowerCAmelCase												=  logging.get_logger('''transformers.models.bart.tokenization_bart'''			)

				lowerCAmelCase												=  os.getenv('''TRANSFORMERS_VERBOSITY'''      ,SCREAMING_SNAKE_CASE_			)
				lowerCAmelCase												=  logging.log_levels[env_level_str]

				lowerCAmelCase												=  logging.get_verbosity()
				self.assertEqual(
				    SCREAMING_SNAKE_CASE_      ,SCREAMING_SNAKE_CASE_      ,F"""TRANSFORMERS_VERBOSITY={env_level_str}/{env_level}, but internal verbosity is {current_level}"""      ,)

				# restore to the original level
				lowerCAmelCase												=  ''''''
				transformers.utils.logging._reset_library_root_logger()






			@mockenv(TRANSFORMERS_VERBOSITY='''super-error'''			)
			def 					UpperCAmelCase							(self  :	List[Any]			)       ->	Tuple:





				"""simple docstring"""


				transformers.utils.logging._reset_library_root_logger()
				lowerCAmelCase												=  logging.logging.getLogger()
				with CaptureLogger(SCREAMING_SNAKE_CASE_			) as cl:
					# this action activates the env var
					logging.get_logger('''transformers.models.bart.tokenization_bart'''			)
				self.assertIn('''Unknown option TRANSFORMERS_VERBOSITY=super-error'''      ,cl.out			)

				# no need to restore as nothing was changed






			def 					UpperCAmelCase							(self  :	Dict			)       ->	Any:





				"""simple docstring"""


				transformers.utils.logging._reset_library_root_logger()

				lowerCAmelCase												=  logging.get_logger('''transformers.models.bart.tokenization_bart'''			)
				lowerCAmelCase												=  '''Testing 1, 2, 3'''

				with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS='''1'''			):
					# nothing should be logged as env var disables this method
					with CaptureLogger(SCREAMING_SNAKE_CASE_			) as cl:
						logger.warning_advice(SCREAMING_SNAKE_CASE_			)
					self.assertEqual(cl.out      ,''''''			)

				with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS=''''''			):
					# should log normally as TRANSFORMERS_NO_ADVISORY_WARNINGS is unset
					with CaptureLogger(SCREAMING_SNAKE_CASE_			) as cl:
						logger.warning_advice(SCREAMING_SNAKE_CASE_			)
					self.assertEqual(cl.out      ,msg + '''\n'''			)





def __magic_name__	(				)					->						List[Any]:

	'''simple docstring'''




	disable_progress_bar()
	assert are_progress_bars_disabled()

	enable_progress_bar()
	assert not are_progress_bars_disabled()


